维普中文期刊产品整合服务

Controlling sulfurization of 2D Mo_(2)C crystal for Mo_(2)C/MoS_(2)-based memristor and artificial synapse

查看全文 作  者:Xin [1]Tang;Leilei [1,2]Yang;Junhua [1]Huang;Wenjun [3]Chen;Baohua [1]Li;Shaodian [1]Yang;Rongliang [1]Yang;Zhiping [4]Zeng;Zikang [5]Tang;Xuchun [1]Gui 高影响力作者 机构地区:[1]State Key Laboratory of Optoelectronic Materials and Technologies,School of Electronics and Information Technology,Sun Yat-sen University,Guangzhou 510275,China;[2]Department of physics,Guangxi Minzu University,Nanning 530006,China;[3]School of Electronic Information Engineering,Foshan University,Foshan 528000,P.R.China;[4]School of Materials Science and Engineering,Sun Yat-sen University,Guangzhou 510275,China;[5]Institute of Applied Physics and Materials Engineering,University of Macao,Avenida da Universidade,Taipa,Macao 999078,China高影响力机构 出  处:《npj Flexible Electronics》索引2022年第6卷第1期,共8页高影响力期刊 基  金:financially supported by the National Natural Science Foundation of China (grant no.52072415);Guangdong Basic and Applied Basic Research Foundation (grant nos.2021A1515012387,and 2021A1515110980)。 摘  要:Owing to the conductance-adjustable performance,the emerging two-terminal memristors are promising candidates for artificial synapses and brain-spired neuromorphic computing.Although memristors based on molybdenum disulfide(MoS_(2))have displayed outstanding performance,such as thermal stability and high energy efficiency,reports on memristors based on MoS_(2) as the functional layer to simulate synaptic behavior are limited.Herein,a homologous Mo_(2)C/MoS_(2)-based memristor is prepared by partially sulfuring two-dimensional Mo_(2)C crystal.The memristor shows good stability,excellent retention(~104 s)and endurance(>100 cycles),and a high ON/OFF ratio(>10^(3)).Moreover,for comprehensively mimicking biological synapses,the essential synaptic functions of the device are systematically analyzed,including paired-pulse facilitation(PPF),short-term plasticity(STP),long-term plasticity(LTP),long-term depression(LTD),and the transitions from STP to LTP.Notably,this artificial synapse could keep a highlevel stable memory for a long time(60 s)after repeated stimulation.These results prove that our device is highly desirable for biological synapses,which show great potential for application in future high-density storage and neuromorphic computing systems. 关 键 词:artificial SULFUR stability
相关文献

参考文献(66)

引证文献(1)

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费